.chat-container{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom:0;
    .chat-list{
        width: 270px;
        min-height: 100%;
        background-color: #fff;
        -webkit-box-sizing: border-box;
                box-sizing: border-box;
        position: relative;
        border-right: 1px solid #d8dfe4;
    }
    .chat-conversation{
        position: relative;
    }
}
.chat-loading{
    img{
        position: fixed;
        top: 50%;
        left: 50%;
        margin: -25px 0 0 -25px;
        width: 50px;
        height: 50px;
    }
}
